Mailinblack vs AT&T Comparison (2026)

Compare Mailinblack vs AT&T email services. In-depth analysis of features, pricing, security, privacy, and storage to find the best email provider for your needs.

Forward Email Team
Written by
Forward Email TeamVerified
Published
4/1/26
Time to read
Less than 5 minutes
We recommend Forward Email as the best alternative to Mailinblack. We also support webmail: https://mail.forwardemail.net

Email Service Comparison

20 facts in comparison
Mailinblackvs.AT&T

Mailinblack

Your cybersecurity is our job
"Your cybersecurity is our job"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
vs.

AT&T

AT&T Mail is now Yahoo Mail
"AT&T Mail is now Yahoo Mail"
  • Hardenize Test
  • Internet.nl Site Test
  • Internet.nl Mail Test
  • Mozilla HTTP Observatory Grade
  • Qualys SSL Labs SSL Server Test
Requires you to talk to a sales teamPricing$5/mo
Requires 3rd partyStorage5000 GB
UnknownAttachments25 MB
NoOpen-SourceNo
NoSandboxed Encryption No
NoUnlimited DomainsNo
NoUnlimited AliasesNo
NoTTI No
❌ Requires 3rd partySMTP❌ No longer supported
❌ Requires 3rd partyIMAP❌ No longer supported
❌ Requires 3rd partyPOP3❌ No longer supported
YesAPINo
NoE2EE No
NoOpenPGP No
NoWKD No

Email Service Screenshots

Closed-source

Mailinblack

Mailinblack is a closed-source email service. According to their website: Your cybersecurity is our job

Mailinblack is a closed-source email service.
Screenshot by Forward Email
Visit Website
Closed-source

AT&T

AT&T is a closed-source email service. Its description from its website is: AT&T Mail is now Yahoo Mail

AT&T is a closed-source email service.
Screenshot by Forward Email
Visit Website

Compare Mailinblack with 78 email services